:root {
  --ink: #102124;
  --ink-soft: #1d383b;
  --paper: #f5f0e7;
  --paper-deep: #e9e2d6;
  --mist: #c6d2cc;
  --muted: #6d7b77;
  --line: rgba(16, 33, 36, .14);
  --coral: #e64b35;
  --cyan: #4dbbd5;
  --green: #00a087;
  --navy: #3c5488;
  --peach: #f39b7f;
  --shadow: 0 24px 70px rgba(0, 0, 0, .16);
  --radius: 18px;
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
  --sans: "Avenir Next", "Segoe UI", "Trebuchet MS", sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.45;
  -webkit-font-smoothing: antialiased;
}
button, select { font: inherit; }
button { cursor: pointer; }
.site-shell {
  min-height: 100vh;
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at 12% 4%, rgba(77,187,213,.18), transparent 26rem),
    radial-gradient(circle at 92% 36%, rgba(230,75,53,.14), transparent 30rem),
    linear-gradient(145deg, #102124 0%, #132d31 52%, #183e3e 100%);
}
.site-shell::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: .14;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 140 140' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.8' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.25'/%3E%3C/svg%3E");
  mix-blend-mode: screen;
}
.ambient { position: absolute; border-radius: 50%; filter: blur(2px); opacity: .35; pointer-events: none; }
.ambient-one { width: 260px; height: 260px; top: 410px; left: -160px; background: var(--green); opacity: .1; }
.ambient-two { width: 180px; height: 180px; right: 7%; top: 900px; background: var(--coral); opacity: .12; }
.masthead, main, .site-footer { position: relative; z-index: 1; max-width: 1180px; margin: 0 auto; padding-left: 30px; padding-right: 30px; }
.masthead {
  height: 86px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(245,240,231,.16);
}
.brand { display: inline-flex; align-items: center; gap: 12px; color: var(--paper); text-decoration: none; }
.brand-mark { font-weight: 800; letter-spacing: .16em; font-size: 13px; }
.brand-rule { width: 44px; height: 1px; background: var(--coral); }
.brand-caption { letter-spacing: .18em; font-size: 10px; color: #b6c4bd; }
.toolbar { display: flex; align-items: center; gap: 18px; }
.offline-pill { display: inline-flex; align-items: center; gap: 7px; color: #b6c4bd; font-size: 11px; letter-spacing: .04em; }
.offline-pill i { width: 7px; height: 7px; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 4px rgba(0,160,135,.17); }
.text-button {
  appearance: none; border: 0; background: transparent; color: var(--paper); padding: 4px 0;
  font-size: 12px; letter-spacing: .06em; border-bottom: 1px solid transparent;
}
.text-button:hover, .text-button:focus-visible { border-color: var(--coral); outline: none; }
.hero { min-height: 390px; display: grid; grid-template-columns: 1fr 270px; align-items: center; gap: 50px; padding: 72px 0 78px; }
.eyebrow, .panel-kicker { margin: 0 0 16px; text-transform: uppercase; letter-spacing: .18em; font-size: 10px; color: #9eb3aa; font-weight: 700; }
.hero h1 { margin: 0; font-family: var(--serif); font-size: clamp(52px, 7vw, 92px); font-weight: 400; letter-spacing: -.055em; line-height: .88; }
.hero h1 em { color: var(--peach); font-style: italic; }
.hero-lede { max-width: 620px; margin: 28px 0 26px; color: #c6d2cc; font-size: 17px; line-height: 1.58; }
.hero-meta { display: flex; flex-wrap: wrap; gap: 9px; }
.hero-meta span { border: 1px solid rgba(198,210,204,.25); border-radius: 999px; padding: 7px 11px; color: #c6d2cc; font-size: 10px; letter-spacing: .02em; }
.hero-stamp { align-self: center; justify-self: end; width: 220px; height: 220px; border: 1px solid rgba(245,240,231,.32); border-radius: 50%; display: flex; flex-direction: column; justify-content: center; padding-left: 42px; transform: rotate(8deg); color: var(--paper); position: relative; }
.hero-stamp::after { content: ""; position: absolute; inset: 12px; border: 1px dashed rgba(245,240,231,.26); border-radius: 50%; }
.stamp-kicker { font-size: 10px; letter-spacing: .26em; color: var(--cyan); }
.hero-stamp strong { font-family: var(--serif); font-size: 44px; font-weight: 400; letter-spacing: -.04em; line-height: .95; }
.stamp-line { display: block; width: 56px; height: 2px; background: var(--coral); margin: 12px 0 10px; }
.stamp-note { color: #b6c4bd; font-size: 11px; text-transform: uppercase; letter-spacing: .12em; line-height: 1.2; }
.workspace { display: grid; grid-template-columns: minmax(0, 1.03fr) minmax(0, .97fr); gap: 18px; align-items: stretch; }
.panel { border-radius: var(--radius); box-shadow: var(--shadow); }
.form-panel { background: var(--paper); color: var(--ink); padding: 32px; }
.result-panel { background: linear-gradient(150deg, #1d4444 0%, #183234 100%); padding: 32px; min-height: 630px; overflow: hidden; position: relative; }
.result-panel::after { content: "CKB"; position: absolute; right: -20px; top: 25px; font-family: var(--serif); font-size: 180px; color: rgba(245,240,231,.045); transform: rotate(-18deg); pointer-events: none; }
.panel-heading { display: flex; align-items: flex-start; gap: 16px; margin-bottom: 18px; }
.section-number { color: var(--coral); font-family: var(--serif); font-size: 28px; line-height: 1; }
.form-panel .panel-kicker { color: var(--muted); margin-bottom: 5px; }
.panel h2 { font-family: var(--serif); font-size: 31px; font-weight: 400; line-height: 1.04; letter-spacing: -.035em; margin: 0; }
.panel-intro { color: var(--muted); font-size: 12px; max-width: 470px; margin: 0 0 26px; }
.field-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 11px; }
.field-card { border: 1px solid var(--line); border-radius: 12px; padding: 13px 14px 12px; transition: border-color .2s ease, box-shadow .2s ease, transform .2s ease; }
.field-card:focus-within { border-color: var(--cyan); box-shadow: 0 0 0 3px rgba(77,187,213,.13); transform: translateY(-1px); }
.field-card:last-child { grid-column: 1 / -1; }
.field-card label { display: flex; align-items: flex-start; gap: 8px; font-size: 12px; font-weight: 700; line-height: 1.26; min-height: 32px; }
.field-index { color: var(--coral); font-size: 9px; letter-spacing: .08em; padding-top: 2px; }
.field-card select { width: 100%; margin-top: 9px; background: #fffaf2; border: 1px solid #d7d0c5; border-radius: 7px; padding: 8px 10px; color: var(--ink); font-size: 12px; font-weight: 600; outline: none; }
.field-card select:focus { border-color: var(--cyan); }
.field-hint { color: var(--muted); font-size: 10px; margin: 7px 0 0; line-height: 1.35; }
.primary-button { margin-top: 20px; width: 100%; display: flex; align-items: center; justify-content: space-between; appearance: none; border: 0; border-radius: 10px; background: var(--ink); color: var(--paper); padding: 15px 17px; font-size: 12px; font-weight: 700; letter-spacing: .04em; transition: background .2s ease, transform .2s ease; }
.primary-button:hover, .primary-button:focus-visible { background: var(--coral); transform: translateY(-2px); outline: none; }
.button-arrow { font-size: 20px; font-weight: 400; line-height: .6; }
.privacy-note { color: var(--muted); display: flex; align-items: center; gap: 8px; margin: 18px 0 0; font-size: 10px; }
.privacy-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--green); flex: 0 0 auto; }
.result-inner { position: relative; z-index: 1; }
.result-kicker { text-transform: uppercase; letter-spacing: .18em; color: #9ec9bd; font-size: 10px; font-weight: 700; margin: 0 0 13px; }
.result-class-row { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; }
.result-code { font-size: 10px; letter-spacing: .14em; color: var(--peach); font-weight: 800; padding-top: 7px; }
.result-title { font-family: var(--serif); font-size: clamp(30px, 4vw, 45px); line-height: .98; letter-spacing: -.045em; font-weight: 400; max-width: 400px; margin: 0; }
.result-title small { display: block; font-family: var(--sans); font-size: 12px; letter-spacing: .03em; color: #b9cbc3; margin-top: 10px; line-height: 1.35; }
.class-swatch { width: 25px; height: 25px; border-radius: 50%; box-shadow: 0 0 0 7px rgba(245,240,231,.07); margin: 9px 10px 0 0; flex: 0 0 auto; }
.confidence-line { display: flex; align-items: baseline; gap: 8px; margin: 22px 0 12px; }
.confidence-line strong { color: var(--paper); font-size: 24px; font-weight: 500; }
.confidence-line span { color: #afc2b9; font-size: 11px; }
.result-summary { color: #d6e1da; font-size: 13px; line-height: 1.55; margin: 0 0 22px; max-width: 480px; }
.posterior-box { border-top: 1px solid rgba(245,240,231,.18); border-bottom: 1px solid rgba(245,240,231,.18); padding: 16px 0 14px; }
.subhead { color: #a9c4b9; text-transform: uppercase; letter-spacing: .14em; font-size: 9px; font-weight: 700; margin: 0 0 12px; }
.posterior-row { display: grid; grid-template-columns: 28px 1fr 42px; gap: 9px; align-items: center; margin: 8px 0; opacity: .7; }
.posterior-row.selected { opacity: 1; }
.posterior-label { font-size: 11px; color: #e7eee9; font-weight: 700; }
.posterior-track { background: rgba(245,240,231,.15); height: 6px; border-radius: 999px; overflow: hidden; }
.posterior-fill { height: 100%; display: block; border-radius: inherit; transform-origin: left; animation: grow .75s cubic-bezier(.2,.7,.2,1) both; }
.posterior-value { text-align: right; color: #d6e1da; font-size: 11px; font-variant-numeric: tabular-nums; }
.signal-strip { margin-top: 18px; }
.signal-chips { display: flex; flex-wrap: wrap; gap: 6px; }
.signal-chip { border: 1px solid rgba(245,240,231,.2); border-radius: 999px; color: #d6e1da; padding: 5px 8px; font-size: 10px; }
.signal-chip b { color: var(--peach); font-weight: 600; }
.consequence-callout { margin-top: 20px; background: rgba(245,240,231,.08); border-left: 2px solid var(--coral); padding: 12px 13px; color: #d9e3dd; font-size: 11px; line-height: 1.5; }
.callout-note { color: #a9c4b9; font-size: 10px; }
.outcomes-section { margin-top: 90px; background: var(--paper); color: var(--ink); border-radius: 22px; padding: 38px; box-shadow: var(--shadow); }
.section-heading { display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; }
.panel-kicker.light { color: #798b84; margin-bottom: 8px; }
.section-heading h2 { font-family: var(--serif); font-size: 38px; font-weight: 400; letter-spacing: -.04em; line-height: 1; margin: 0; }
.figure-link { display: inline-flex; align-items: center; gap: 8px; color: var(--ink); text-decoration: none; border-bottom: 1px solid var(--coral); padding-bottom: 4px; font-size: 11px; font-weight: 700; white-space: nowrap; }
.figure-link:hover { color: var(--coral); }
.outcome-explainer { display: flex; gap: 12px; align-items: flex-start; margin: 24px 0 21px; max-width: 850px; }
.outcome-rule { width: 29px; height: 2px; background: var(--coral); margin-top: 8px; flex: 0 0 auto; }
.outcome-explainer p { margin: 0; color: var(--muted); font-size: 12px; line-height: 1.55; }
.filter-row { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; padding-bottom: 19px; border-bottom: 1px solid var(--line); }
.filter-button { border: 1px solid #cfc7bb; background: transparent; color: var(--muted); border-radius: 999px; padding: 8px 11px; font-size: 10px; transition: background .2s ease, color .2s ease, border-color .2s ease; }
.filter-button b { font-size: 9px; margin-left: 5px; color: inherit; opacity: .8; }
.filter-button:hover, .filter-button.active { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.filter-spacer { flex: 1; }
.reference-chip { display: inline-flex; align-items: center; gap: 6px; color: var(--muted); font-size: 10px; }
.reference-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--cyan); }
.outcome-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; padding-top: 21px; }
.group-heading { grid-column: 1 / -1; display: flex; align-items: center; gap: 10px; margin: 12px 0 0; color: var(--ink); }
.group-heading::after { content: ""; height: 1px; flex: 1; background: var(--line); }
.group-heading span { text-transform: uppercase; letter-spacing: .12em; font-size: 9px; font-weight: 800; color: var(--muted); }
.outcome-card { border: 1px solid var(--line); border-radius: 12px; padding: 15px; min-height: 175px; position: relative; overflow: hidden; animation: rise .45s both; background: rgba(255,255,255,.24); }
.outcome-card::before { content: ""; position: absolute; top: 0; left: 0; width: 100%; height: 3px; background: var(--card-accent, var(--cyan)); }
.outcome-card.sparse { background: #e4e0d8; border-color: #cec7bb; }
.outcome-card.sparse::before { background: #9a9992; }
.outcome-card-head { display: flex; justify-content: space-between; gap: 8px; align-items: flex-start; }
.outcome-name { margin: 0; font-size: 12px; line-height: 1.25; font-weight: 750; }
.outcome-code { color: var(--muted); font-size: 8px; letter-spacing: .08em; margin-top: 3px; }
.outcome-direction { border-radius: 999px; padding: 4px 6px; font-size: 8px; white-space: nowrap; font-weight: 800; letter-spacing: .03em; }
.outcome-direction.up { color: #9b2e20; background: #f5d4ca; }
.outcome-direction.down { color: #174d63; background: #d8e9ee; }
.outcome-direction.neutral, .outcome-direction.reference { color: #45605a; background: #dce8e1; }
.outcome-direction.sparse { color: #696963; background: #d0cec7; }
.outcome-metric { margin-top: 19px; display: flex; align-items: baseline; gap: 8px; }
.outcome-metric strong { font-size: 24px; font-weight: 500; letter-spacing: -.04em; font-variant-numeric: tabular-nums; }
.outcome-metric span { color: var(--muted); font-size: 9px; }
.outcome-ci { color: var(--muted); font-size: 10px; margin: 3px 0 13px; font-variant-numeric: tabular-nums; }
.risk-track { height: 4px; background: linear-gradient(90deg, #b4d1d9 0 45%, #c9c6bc 45% 55%, #eab8ad 55% 100%); position: relative; border-radius: 999px; }
.risk-track::after { content: ""; position: absolute; left: 50%; top: -3px; width: 1px; height: 10px; background: var(--ink); opacity: .45; }
.risk-marker { position: absolute; top: -4px; width: 12px; height: 12px; border-radius: 50%; background: var(--card-accent, var(--coral)); border: 2px solid var(--paper); box-shadow: 0 0 0 1px var(--card-accent, var(--coral)); transform: translateX(-50%); }
.outcome-foot { display: flex; justify-content: space-between; gap: 8px; margin-top: 15px; color: var(--muted); font-size: 9px; }
.q-significant { color: var(--green); font-weight: 800; }
.q-muted { color: var(--muted); }
.sparse-note { color: #6f706b; font-size: 10px; line-height: 1.4; margin: 20px 0 12px; }
.methods-section { margin: 28px 0 66px; display: grid; grid-template-columns: 1.2fr .8fr; gap: 18px; }
.method-card { border: 1px solid rgba(245,240,231,.22); border-radius: var(--radius); padding: 28px 30px; background: rgba(245,240,231,.06); }
.method-card h2 { color: var(--paper); font-size: 28px; max-width: 500px; }
.method-card p:last-child { max-width: 620px; color: #b8c7c0; font-size: 12px; line-height: 1.6; }
.method-list { border-left: 1px solid rgba(245,240,231,.2); padding: 10px 0 10px 28px; display: grid; align-content: center; gap: 17px; }
.method-list div { display: grid; grid-template-columns: 27px 1fr; gap: 9px; align-items: start; }
.method-list span { color: var(--coral); font-size: 10px; font-weight: 800; }
.method-list p { color: #d1ddd6; font-size: 12px; margin: 0; }
.site-footer { display: flex; justify-content: space-between; gap: 20px; border-top: 1px solid rgba(245,240,231,.16); padding-top: 18px; padding-bottom: 28px; color: #8ea69d; font-size: 10px; letter-spacing: .04em; }
@keyframes grow { from { transform: scaleX(0); } to { transform: scaleX(1); } }
@keyframes rise { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }
@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; padding-top: 55px; }
  .hero-stamp { justify-self: start; width: 150px; height: 150px; padding-left: 27px; }
  .hero-stamp strong { font-size: 31px; }
  .workspace, .methods-section { grid-template-columns: 1fr; }
  .result-panel { min-height: 0; }
  .outcome-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .method-list { border-left: 0; border-top: 1px solid rgba(245,240,231,.2); padding: 20px 0 0; }
}
@media (max-width: 600px) {
  .masthead, main, .site-footer { padding-left: 18px; padding-right: 18px; }
  .masthead { height: 72px; }
  .offline-pill { display: none; }
  .hero { min-height: 0; padding: 60px 0 65px; }
  .hero h1 { font-size: 62px; }
  .hero-lede { font-size: 15px; }
  .form-panel, .result-panel, .outcomes-section { padding: 22px; }
  .field-grid, .outcome-grid { grid-template-columns: 1fr; }
  .field-card:last-child { grid-column: auto; }
  .section-heading { align-items: flex-start; flex-direction: column; }
  .section-heading h2 { font-size: 32px; }
  .outcomes-section { margin-top: 55px; }
  .filter-spacer { display: none; }
  .site-footer { flex-direction: column; gap: 7px; }
}